American shad
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The American shad is a species of anadromous clupeid fish naturally distributed on the North American coast of the North Atlantic, from Newfoundland to Florida, and as an introduced species on the Nor
Dentonshad 1904
Harbor seal in freshwater Connecticut River, following the shad run
An American shad is measured during a survey at the Holyoke Dam fish ladder, circa 1970
Early 19th-century shad fishing on the Peedee (Greater Pee Dee) River, South Carolina
Fish migration
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Fish migration is mass relocation by fish from one area or body of water to another. Many types of fish migrate on a regular basis, on time scales ranging from daily to annually or longer, and over di
American shad
…The American shad (Alosa sapidissima) is a species of anadromous clupeid fish naturally distributed on the North American coast of the North Atlantic, from Newfoundland to Florida, and as an introduced species on the…
Many species of salmon are anadromous and can migrate long distances up rivers to spawn
Life cycle of anadromous fish. From a U.S. Government pamphlet. (Click image to enlarge.)
Auklet flock Shumagins 1986
Antennarius striatus